TURN FRUSTRATION INTO FUN ANGRY PUTTY FEATURES A UNIQUE FORMULA THAT BUILDS RESISTANCE AS YOU PLAY. This amazing putty actually absorbs your tension- getting tenser and tenser with each stretch- to leave you feeling happy and relaxed. HOT HEAD Take a moment to chill out. Hot Head Angry Putty burns a fierce red and gets more and more resistant with each stretch to absorb your tension and keep you calm, cool and collected. Materials: Non-toxic silicone Ages: 8+ Never dries out!